US$ 39.95
51 at 32 by 32mm
visualizing Pascal's-principle mechanical advantage directly
75 x 1 inches each
5-inch skeleton model provides portable anatomical reference for desktop study and basic bone identification teaching
Triple-Parallel Metal Pulley Item Type_Weights 51 at 32 by 32mmThree wheel parallel pulley in a metal frame with accurately centered 50mm aluminum wheels, supporting three rope compound arrangements for force distribution experiments.